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Made enable override indicator count for infinite loop viewpager. #140

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Made enable override indicator count for infinite loop viewpager. #140

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dd28f59
Made enable override indicator count for infinite loop viewpager.
Jul 5, 2020
84b0255
Made enable override initial position for infinite loop viewpager.
Jul 5, 2020
a1b8e75
Made enable override current position onPageSelected for infinite loo…
Jul 5, 2020
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26 changes: 16 additions & 10 deletions circleindicator/src/main/java/me/relex/circleindicator/CircleIndicator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,8 @@
import android.database.DataSetObserver;
import android.os.Build;
import android.util.AttributeSet;
import android.view.View;

import androidx.annotation.Nullable;
import androidx.viewpager.widget.PagerAdapter;
import androidx.viewpager.widget.ViewPager;
Expand Down Expand Up @@ -44,15 +46,20 @@ public void setViewPager(@Nullable ViewPager viewPager) {
}
}

protected int getCount(ViewPager viewPager) {
return viewPager.getAdapter() != null ? viewPager.getAdapter().getCount() : 0;
}

protected int initialPosition(ViewPager viewPager) {
return viewPager.getCurrentItem();
}

private void createIndicators() {
PagerAdapter adapter = mViewpager.getAdapter();
int count;
if (adapter == null) {
count = 0;
} else {
count = adapter.getCount();
}
createIndicators(count, mViewpager.getCurrentItem());
createIndicators(getCount(mViewpager), initialPosition(mViewpager));
}

protected int getCurrentPosition(ViewPager viewPager, int position) {
return position;
}

private final ViewPager.OnPageChangeListener mInternalPageChangeListener =
Expand All @@ -63,12 +70,11 @@ private void createIndicators() {
}

@Override public void onPageSelected(int position) {

if (mViewpager.getAdapter() == null
|| mViewpager.getAdapter().getCount() <= 0) {
return;
}
animatePageSelected(position);
animatePageSelected(getCurrentPosition(mViewpager, position));
}

@Override public void onPageScrollStateChanged(int state) {
Expand Down